Recently seized documents show that Poland's former president and Solidarity founder Lech Walesa was a paid informant for the communist-era secret security service from 1970 to 1976, the head ofPoland's history institute said Thursday.<br />A legend of Poland's successful struggle to topple communism,Walesa has previously acknowledged signing a commitment to be an informant, but has insisted he never acted on it.<br />In 2000 he was cleared by a special court, which said it found no evidence of collaboration.<br />The head of the stateNational Remembrance Institute, Lukasz Kaminski, said that documentsseized this week from the home of the last communist interior minister, the late Gen. Czeslaw Kiszczak, include a commitment to provide information that is signed with Walesa's name and codename, "Bolek."
